Roll IDL to multivm@1316

core/scripts/make_css_property_names.py

 #!/usr/bin/env python
 
 import os.path
 import re
 import subprocess
 import sys
 
 from in_file import InFile
 import in_generator
 import license
@@ skipping 165 matching lines @@
                         }
 
         all_properties = self.in_file.name_dictionaries
         self._aliases = filter(lambda property: property['alias_for'], all_properties)
         for offset, property in enumerate(self._aliases):
             # Aliases use the enum_name that they are an alias for.
             property['enum_name'] = self._enum_name_from_property_name(property['alias_for'])
             # Aliases do not get an enum_value.
 
         self._properties = filter(lambda property: not property['alias_for'] and not property['condition'] or property['condition'] in self._enabled_conditions, all_properties)
-        self._first_property_id = 1001  # Historical, unclear why.
+        if len(self._properties) > 1024:
+            print "ERROR : There is more than 1024 CSS Properties, you need to update CSSProperty.h/StylePropertyMetadata m_propertyID accordingly."
+            exit(1)
+        self._first_property_id = 2  # We start after CSSPropertyInvalid and CSSPropertyVariable.
         property_id = self._first_property_id
         for offset, property in enumerate(self._properties):
             property['enum_name'] = self._enum_name_from_property_name(property['name'])
             property['enum_value'] = self._first_property_id + offset
 
     def _enum_name_from_property_name(self, property_name):
         return "CSSProperty" + re.sub(r'(^[^-])|-(.)', lambda match: (match.group(1) or match.group(2)).upper(), property_name)
 
     def _enum_declaration(self, property):
         return "    %(enum_name)s = %(enum_value)s," % property
@@ skipping 17 matching lines @@
             'property_to_enum_map': '\n'.join(map(lambda property: '%(name)s, %(enum_name)s' % property, self._properties + self._aliases)),
         }
         # FIXME: If we could depend on Python 2.7, we would use subprocess.check_output
         gperf_args = ['gperf', '--key-positions=*', '-D', '-n', '-s', '2']
         gperf = subprocess.Popen(gperf_args, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
         return gperf.communicate(gperf_input)[0]
 
 
 if __name__ == "__main__":
     in_generator.Maker(CSSPropertiesWriter).main(sys.argv)